package com.example.design.facade;

/**
 * 投影仪
 */
public class Projector {
    public void on() {
        System.out.println("Projector is on");
    }
    public void off() {
        System.out.println("Projector is off");
    }
    public void wideScreenMode() {
        System.out.println("Projector is wideScreenMode");
    }
}
